A new heteroleptic ruthenium sensitizer enhances the absorptivity of mesoporous titania film for a high efficiency dye-sensitized solar cell |
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| Authors: | Gao Feifei Wang Yuan Zhang Jing Shi Dong Wang Mingkui Humphry-Baker Robin Wang Peng Zakeeruddin Shaik M Grätzel Michael |
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| Institution: | State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022, Changchun, China. |
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| Abstract: | A heteroleptic polypyridyl ruthenium complex, cis-Ru(4,4'-bis(5-octylthieno3,2-b]thiophen-2-yl)-2,2'-bipyridine)(4,4'-dicarboxyl-2,2'-bipyridine)(NCS)2, with a high molar extinction coefficient of 20.5 x 10(3) M(-1) cm(-1) at 553 nm has been synthesized and demonstrated as a highly efficient sensitizer for a dye-sensitized solar cell, giving a power conversion efficiency of 10.53% measured under an irradiation of air mass 1.5 global (AM 1.5G) full sunlight. |
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